Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-04-2024 12:33

General

  • Target

    b03bc558b4a4783c46c9afa785aa8e46d7f33b253e6d683fc5c4c45d0f49ecd7.exe

  • Size

    305KB

  • MD5

    15a7a6cd1c5f8f46ff293b0a28b89200

  • SHA1

    d33a3528a7476128aa40e981575b38e22ee3c3b1

  • SHA256

    b03bc558b4a4783c46c9afa785aa8e46d7f33b253e6d683fc5c4c45d0f49ecd7

  • SHA512

    cd957cd62f9288e8fc98c18ec853cdc3604db0d069d17b7535fe53a47ece57232d08dea6c55c9d80bbcc58ecf046f6ac748cb6aa8718921d0f5e9fff2606ab32

  • SSDEEP

    6144:/qY6irwP7YfmrYiJv7TAPAzdcZqf7DI/L:/nwPkiJvGAzdcUzs/

Malware Config

Extracted

Family

redline

Botnet

spoo

C2

103.113.70.99:2630

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b03bc558b4a4783c46c9afa785aa8e46d7f33b253e6d683fc5c4c45d0f49ecd7.exe
    "C:\Users\Admin\AppData\Local\Temp\b03bc558b4a4783c46c9afa785aa8e46d7f33b253e6d683fc5c4c45d0f49ecd7.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:616

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp5776.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/616-21-0x0000000006F10000-0x0000000006F2E000-memory.dmp
    Filesize

    120KB

  • memory/616-3-0x00000000059A0000-0x0000000005A32000-memory.dmp
    Filesize

    584KB

  • memory/616-25-0x00000000070A0000-0x00000000071AA000-memory.dmp
    Filesize

    1.0MB

  • memory/616-26-0x0000000006FE0000-0x0000000006FF2000-memory.dmp
    Filesize

    72KB

  • memory/616-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp
    Filesize

    40KB

  • memory/616-0-0x0000000000EA0000-0x0000000000EF2000-memory.dmp
    Filesize

    328KB

  • memory/616-20-0x0000000005F40000-0x0000000005FB6000-memory.dmp
    Filesize

    472KB

  • memory/616-1-0x0000000074CD0000-0x0000000075481000-memory.dmp
    Filesize

    7.7MB

  • memory/616-36-0x0000000074CD0000-0x0000000075481000-memory.dmp
    Filesize

    7.7MB

  • memory/616-2-0x0000000006040000-0x00000000065E6000-memory.dmp
    Filesize

    5.6MB

  • memory/616-4-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/616-27-0x0000000007040000-0x000000000707C000-memory.dmp
    Filesize

    240KB

  • memory/616-28-0x00000000071B0000-0x00000000071FC000-memory.dmp
    Filesize

    304KB

  • memory/616-29-0x0000000007300000-0x0000000007366000-memory.dmp
    Filesize

    408KB

  • memory/616-32-0x0000000007F70000-0x0000000007FC0000-memory.dmp
    Filesize

    320KB

  • memory/616-33-0x0000000008A20000-0x0000000008BE2000-memory.dmp
    Filesize

    1.8MB

  • memory/616-34-0x0000000009120000-0x000000000964C000-memory.dmp
    Filesize

    5.2MB

  • memory/616-24-0x0000000007550000-0x0000000007B68000-memory.dmp
    Filesize

    6.1MB